diff --git a/libraries/gpu-gl/src/gpu/gl/GLBackendOutput.cpp b/libraries/gpu-gl/src/gpu/gl/GLBackendOutput.cpp index 1e6691538b..5c6a18d7af 100644 --- a/libraries/gpu-gl/src/gpu/gl/GLBackendOutput.cpp +++ b/libraries/gpu-gl/src/gpu/gl/GLBackendOutput.cpp @@ -63,11 +63,17 @@ void GLBackend::do_clearFramebuffer(const Batch& batch, size_t paramOffset) { int useScissor = batch._params[paramOffset + 0]._int; GLuint glmask = 0; + bool restoreStencilMask = false; + uint8_t cacheStencilMask = 0xFF; if (masks & Framebuffer::BUFFER_STENCIL) { glClearStencil(stencil); glmask |= GL_STENCIL_BUFFER_BIT; - // TODO: we will probably need to also check the write mask of stencil like we do - // for depth buffer, but as would say a famous Fez owner "We'll cross that bridge when we come to it" + + cacheStencilMask = _pipeline._stateCache.stencilActivation.getWriteMaskFront(); + if (cacheStencilMask != 0xFF) { + restoreStencilMask = true; + glStencilMask( 0xFF); + } } bool restoreDepthMask = false; @@ -121,6 +127,11 @@ void GLBackend::do_clearFramebuffer(const Batch& batch, size_t paramOffset) { glDisable(GL_SCISSOR_TEST); } + // Restore Stencil write mask + if (restoreStencilMask) { + glStencilMask(cacheStencilMask); + } + // Restore write mask meaning turn back off if (restoreDepthMask) { glDepthMask(GL_FALSE);